<?php
/**
 * @link http://www.yiiframework.com/
 * @copyright Copyright (c) 2008 Yii Software LLC
 * @license http://www.yiiframework.com/license/
 */

namespace app\common\grid;

use Yii;
use yii\helpers\Html;
use yii\helpers\Url;
use yii\grid\ActionColumn as GridActionColumn;

/**
 * ActionColumn is a column for the [[GridView]] widget that displays buttons for viewing and manipulating the items.
 *
 * To add an ActionColumn to the gridview, add it to the [[GridView::columns|columns]] configuration as follows:
 *
 * ```php
 * 'columns' => [
 *     // ...
 *     [
 *         'class' => ActionColumn::className(),
 *         // you may configure additional properties here
 *     ],
 * ]
 * ```
 *
 * For more details and usage information on ActionColumn, see the [guide article on data widgets](guide:output-data-widgets).
 *
 * @author Qiang Xue <qiang.xue@gmail.com>
 * @since 2.0
 */
class CustActionColumn extends GridActionColumn
{
    /**
     * @inheritdoc
     */
    public $headerOptions = ['class' => 'action-column'];
    /**
     * @var string the ID of the controller that should handle the actions specified here.
     * If not set, it will use the currently active controller. This property is mainly used by
     * [[urlCreator]] to create URLs for different actions. The value of this property will be prefixed
     * to each action name to form the route of the action.
     */
    public $controller;
    /**
     * @var string the template used for composing each cell in the action column.
     * Tokens enclosed within curly brackets are treated as controller action IDs (also called *button names*
     * in the context of action column). They will be replaced by the corresponding button rendering callbacks
     * specified in [[buttons]]. For example, the token `{view}` will be replaced by the result of
     * the callback `buttons['view']`. If a callback cannot be found, the token will be replaced with an empty string.
     *
     * As an example, to only have the view, and update button you can add the ActionColumn to your GridView columns as follows:
     *
     * ```php
     * ['class' => 'yii\grid\ActionColumn', 'template' => '{view} {update}'],
     * ```
     *
     * @see buttons
     */
    public $template = '{view} {update} {delete}{create}';
    /**
     * @var array button rendering callbacks. The array keys are the button names (without curly brackets),
     * and the values are the corresponding button rendering callbacks. The callbacks should use the following
     * signature:
     *
     * ```php
     * function ($url, $model, $key) {
     *     // return the button HTML code
     * }
     * ```
     *
     * where `$url` is the URL that the column creates for the button, `$model` is the model object
     * being rendered for the current row, and `$key` is the key of the model in the data provider array.
     *
     * You can add further conditions to the button, for example only display it, when the model is
     * editable (here assuming you have a status field that indicates that):
     *
     * ```php
     * [
     *     'update' => function ($url, $model, $key) {
     *         return $model->status === 'editable' ? Html::a('Update', $url) : '';
     *     },
     * ],
     * ```
     */
    public $buttons = [];
    /** @var array visibility conditions for each button. The array keys are the button names (without curly brackets),
     * and the values are the boolean true/false or the anonymous function. When the button name is not specified in
     * this array it will be shown by default.
     * The callbacks must use the following signature:
     *
     * ```php
     * function ($model, $key, $index) {
     *     return $model->status === 'editable';
     * }
     * ```
     *
     * Or you can pass a boolean value:
     *
     * ```php
     * [
     *     'update' => \Yii::$app->user->can('update'),
     * ],
     * ```
     * @since 2.0.7
     */
    public $visibleButtons = [];
    /**
     * @var callable a callback that creates a button URL using the specified model information.
     * The signature of the callback should be the same as that of [[createUrl()]]
     * Since 2.0.10 it can accept additional parameter, which refers to the column instance itself:
     *
     * ```php
     * function (string $action, mixed $model, mixed $key, integer $index, ActionColumn $this) {
     *     //return string;
     * }
     * ```
     *
     * If this property is not set, button URLs will be created using [[createUrl()]].
     */
    public $urlCreator;
    /**
     * @var array html options to be applied to the [[initDefaultButton()|default button]].
     * @since 2.0.4
     */
    public $buttonOptions = [];


    /**
     * @inheritdoc
     */
    public function init()
    {
        parent::init();
        $this->initDefaultButtons();
    }

    public function getName($name)
    {
        $names = [
            'view' => '查看',
            'update' => '编辑',
            'delete' => '删除',
            'create' => '订单生成'
        ];
        return isset($names[$name]) ? $names[$name] : '';
    }

    /**
     * Initializes the default button rendering callbacks.
     */
    protected function initDefaultButtons()
    {
        $this->initDefaultButton('view', 'eye',['class'=>'btn btn-xs btn-primary']);
        $this->initDefaultButton('update', 'edit',['class'=>'btn btn-xs btn-success']);
        $this->initDefaultButton('delete', 'trash', [
            'data-confirm' => Yii::t('yii', 'Are you sure you want to delete this item?'),
            'data-method' => 'post',
            'class'=>'btn btn-xs btn-danger'
        ]);

        $this->initDefaultButton('create', 'edit',['class'=>'btn btn-xs btn-success']);
    }

    /**
     * Initializes the default button rendering callback for single button
     * @param string $name Button name as it's written in template
     * @param string $iconName The part of Bootstrap glyphicon class that makes it unique
     * @param array $additionalOptions Array of additional options
     * @since 2.0.11
     */
    protected function initDefaultButton($name, $iconName, $additionalOptions = [])
    {
        if (!isset($this->buttons[$name]) && strpos($this->template, '{' . $name . '}') !== false) {
            $this->buttons[$name] = function ($url, $model, $key) use ($name, $iconName, $additionalOptions) {
                $title = Yii::t('yii', ucfirst($name));
                $options = array_merge([
                    'title' => $title,
                    'aria-label' => $title,
                    'data-pjax' => '0'
                ], $additionalOptions, $this->buttonOptions);
                $icon = Html::tag('i', $this->getName($name), ['class' => "fa fa-$iconName"]);
                return Html::a($icon, $url, $options);
            };
        }
    }

}
